You plan a conference call to present your new marketing proposal to two of your partners in China-Arthur Tang and Barbara Liu.You decide that the probability of Arthur endorsing the proposal is 0.6 and probability of Barbara endorsing the proposal is 0.4.The probability that both will endorse the proposal is put at 0.1.Determine the probability that at least one of the partners will endorse your proposal.

Question

Quizplus · Accepted Answer

The probability that at least one partner endorses the proposal is calculated by adding the individual probabilities and subtracting the probability that both endorse, to avoid double counting. So, it's 0.6 (Arthur) + 0.4 (Barbara) - 0.1 (both) = 0.9 or 90%.

You Plan a Conference Call to Present Your New Marketing